[OpenAFS] afsd -rmtsys and shutdown

Steve Brown sbrown7@umbc.edu
Mon, 8 Jan 2007 16:38:13 -0500 (EST)

On Mon, 8 Jan 2007, Derrick J Brashear wrote:

> On Mon, 8 Jan 2007, Russ Allbery wrote:
> > Derrick J Brashear <shadow@dementia.org> writes:
> >
> >> So basically, what *should* happen is that afsd -shutdown should cause
> >> it to die, bt doesn't, because it's a new invocation of afsd. So it
> >> can't remember rmtsysd's pid
> >
> >> I could do something where a child like the afsd handler holds in a
> >> syscall until it gets a shutdown call, and then kills rmtsysd by pid.
> >
> >> That's the best idea I have. Other thoughts?
> >
> > That would work.  We could also just write the PID to a file and have afsd
> > -shutdown read it back from the file to kill the other process.
> Sort of wretched. Not really more wretched than the thing I proposed but I
> considered and sort of made a face at it already

For better or worse, that's the way a lot of daemons handle it on Linux...
have a look at the number of *.pid files in /var/run

Steve Brown